The improvements on the V5 over the V2 are
- better bottom cap spring
- 37 hertz chip vs the original 33
- new led display
- new menu system
- removable top
For me the selling point was the removable top, not because I cared about attaching ego
threaded attys but it makes it super easy to clean around the 510/ego connection. No more looking in that crevice a Q-tip won't even fit in and attempting to get the
juice out of there.
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